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Gas exchange and hydraulics during drought in crops: Who drives whom?


Flexas, J and Carriqui, M and Nadal, M, Gas exchange and hydraulics during drought in crops: Who drives whom?, Journal of Experimental Botany, 69, (16) pp. 3791-3795. ISSN 0022-0957 (2018) [Refereed Article]

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Copyright Statement

The Author(s) 2018. Published by Oxford University Press on behalf of the Society for Experimental Biology. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

DOI: doi:10.1093/jxb/ery235


The correlation between stomatal, mesophyll and leaf hydraulic conductance (Kleaf), and the timing of each during regulation under drought, are not fully understood. Studies which make precise, parallel measurement of these variables during progressive imposition of drought are needed. Wang et al. (2018) provide novel insights, showing that, in rice, a decline of Kleaf is the earliest response to decreasing water availability, and they propose that it triggers the later decline of stomatal and mesophyll conductance. Comparison with results from other species intensifies the debate about the relationships between these variables, as well as between photosynthesis (i.e. productivity) and hydraulic failure (death).

Item Details

Item Type:Refereed Article
Keywords:drought stress, gas exchange, leaf hydraulics, mesophyll conductance, photosynthesis, stomatal conductance
Research Division:Biological Sciences
Research Group:Plant biology
Research Field:Plant physiology
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in the biological sciences
UTAS Author:Carriqui, M (Mr Marc Carriqui Alcover)
ID Code:134467
Year Published:2018
Web of Science® Times Cited:28
Deposited By:Plant Science
Deposited On:2019-08-14
Last Modified:2019-09-18
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